What is the cheapest airline that flies from Ontario to Saint George?

Delta and United Airlines are the most popular carriers operating from Ontario to Saint George

What airlines fly to Saint George?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Saint George from Ontario according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Saint George. Keep in mind that there are 3 different airlines that fly to Saint George on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Saint George Airport?

Prices for flights from Ontario Airport to Saint George Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to Saint George Airport?

There is 1 operator available for flights from Ontario Airport to Saint George Airport as of November 2026.

How old do you have to be to fly from Ontario Airport to Saint George Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Saint George Airport.

What documentation or ID do you need to fly to Saint George Airport?

The necessary travel and health documents for your Saint George Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$390 Cheap Flights from Ontario to Saint George in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Saint George

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:40 pm - 10:30 pmONT Ontario-SGU Saint George

7h 50m1 stop Denver Intl

1:54 pm - 9:11 pmSGU Saint George-ONT Ontario

8h 17m1 stop Denver Intl

$428United Airlines

Sat, Dec 5 - Sat, Dec 12

1:42 pm - 10:45 pmONT Ontario-SGU Saint George

8h 03m1 stop Denver Intl

1:51 pm - 9:00 pmSGU Saint George-ONT Ontario

8h 09m1 stop Denver Intl

$428United Airlines

Thu, Jan 7 - Wed, Jan 13

1:40 pm - 10:30 pmONT Ontario-SGU Saint George

7h 50m1 stop Denver Intl

8:35 am - 12:34 pmSGU Saint George-ONT Ontario

4h 59m1 stop Denver Intl

$428United Airlines

Wed, Dec 9 - Sat, Dec 12

5:00 am - 1:16 pmONT Ontario-SGU Saint George

7h 16m1 stop Denver Intl

1:51 pm - 9:00 pmSGU Saint George-ONT Ontario

8h 09m1 stop Denver Intl

$428United Airlines

Tue, Jan 12 - Tue, Jan 19

1:40 pm - 10:30 pmONT Ontario-SGU Saint George

7h 50m1 stop Denver Intl

8:35 am - 12:34 pmSGU Saint George-ONT Ontario

4h 59m1 stop Denver Intl

$428United Airlines

Thu, Dec 3 - Mon, Dec 7

4:25 pm - 9:24 pmONT Ontario-SGU Saint George

3h 59m1 stop Phoenix Sky Harbor Intl

7:15 am - 12:38 pmSGU Saint George-ONT Ontario

6h 23m1 stop Phoenix Sky Harbor Intl

$436American Airlines

Mon, Nov 30 - Mon, Dec 7

1:40 pm - 10:30 pmONT Ontario-SGU Saint George

7h 50m1 stop Denver Intl

8:35 am - 12:34 pmSGU Saint George-ONT Ontario

4h 59m1 stop Denver Intl

$443United Airlines

Thu, Dec 3 - Sun, Dec 6

6:30 am - 11:17 amONT Ontario-SGU Saint George

3h 47m1 stop Phoenix Sky Harbor Intl

11:53 am - 4:20 pmSGU Saint George-ONT Ontario

5h 27m1 stop Phoenix Sky Harbor Intl

$446American Airlines

Mon, Nov 30 - Mon, Dec 7

4:19 pm - 9:50 pmONT Ontario-SGU Saint George

4h 31m1 stop Phoenix Sky Harbor Intl

6:08 pm - 10:15 pmSGU Saint George-ONT Ontario

5h 07m1 stop Phoenix Sky Harbor Intl

$469American Airlines

Mon, Jan 11 - Thu, Jan 14

1:38 pm - 10:45 pmONT Ontario-SGU Saint George

8h 07m1 stop Denver Intl

8:35 am - 12:42 pmSGU Saint George-ONT Ontario

5h 07m1 stop Denver Intl

$477United Airlines

Wed, Dec 30 - Sat, Jan 2

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United Airlines flights from Ontario to Saint George

Our best United Airlines deals on Ontario to Saint George flight tickets

United Airlines

Dec 9

ONT1:40 pmOntario

7h 50m

1 stop

SGU10:30 pmSaint George

Dec 12

SGU8:35 amSaint George

4h 59m

1 stop

ONT12:34 pmOntario

$428

United Airlines

Dec 3

ONT1:40 pmOntario

7h 50m

1 stop

SGU10:30 pmSaint George

Dec 6

SGU8:35 amSaint George

4h 59m

1 stop

ONT12:34 pmOntario

$443

United Airlines

Dec 30

ONT1:38 pmOntario

8h 07m

1 stop

SGU10:45 pmSaint George

Jan 2

SGU8:35 amSaint George

5h 07m

1 stop

ONT12:42 pmOntario

$477

American Airlines flights from Ontario to Saint George

Our best American Airlines deals on Ontario to Saint George flight tickets

American Airlines

Nov 30

ONT4:25 pmOntario

3h 59m

1 stop

SGU9:24 pmSaint George

Dec 7

SGU7:15 amSaint George

6h 23m

1 stop

ONT12:38 pmOntario

$436

American Airlines

Nov 30

ONT6:30 amOntario

3h 47m

1 stop

SGU11:17 amSaint George

Dec 7

SGU11:53 amSaint George

5h 27m

1 stop

ONT4:20 pmOntario

$446

American Airlines

Jan 11

ONT4:19 pmOntario

4h 31m

1 stop

SGU9:50 pmSaint George

Jan 14

SGU6:08 pmSaint George

5h 07m

1 stop

ONT10:15 pmOntario

$469

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Sat 12/5

1:40 pm-10:30 pm

1 stop7h 50m

Saint George

Sat 12/12

1:54 pm-9:11 pm

1 stop8h 17m

$428

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Thu 1/7

1:42 pm-10:45 pm

1 stop8h 03m

Saint George

Wed 1/13

1:51 pm-9:00 pm

1 stop8h 09m

$428

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Wed 12/9

1:40 pm-10:30 pm

1 stop7h 50m

Saint George

Sat 12/12

8:35 am-12:34 pm

1 stop4h 59m

$428

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Tue 1/12

5:00 am-1:16 pm

1 stop7h 16m

Saint George

Tue 1/19

1:51 pm-9:00 pm

1 stop8h 09m

$428

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Thu 12/3

1:40 pm-10:30 pm

1 stop7h 50m

Saint George

Mon 12/7

8:35 am-12:34 pm

1 stop4h 59m

$428

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Mon 11/30

4:25 pm-9:24 pm

1 stop3h 59m

Saint George

Mon 12/7

7:15 am-12:38 pm

1 stop6h 23m

$436

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Thu 12/3

1:40 pm-10:30 pm

1 stop7h 50m

Saint George

Sun 12/6

8:35 am-12:34 pm

1 stop4h 59m

$443

Quickest round-trip

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Mon 11/30

6:30 am-11:17 am

1 stop3h 47m

Saint George

Mon 12/7

11:53 am-4:20 pm

1 stop5h 27m

$446

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Mon 1/11

4:19 pm-9:50 pm

1 stop4h 31m

Saint George

Thu 1/14

6:08 pm-10:15 pm

1 stop5h 07m

$469

OntarioSaint George

ONT Ontario - SGU Saint George

ONTSGU

Ontario

Wed 12/30

1:38 pm-10:45 pm

1 stop8h 07m

Saint George

Sat 1/2

8:35 am-12:42 pm

1 stop5h 07m

$477

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Saint George

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Saint George?

The cheapest day to depart on your flight to Saint George is on a Wednesday when prices can be found for as low as $258. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Saint George on Sunday is $688.

What is the cheapest time of day to depart on your flight to Saint George?

Our most recent data shows that the best time of day to fly to Saint George is at noon. Flights from Ontario to Saint George during this time can be as low as $321. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $379 on average. Flights to Saint George from Ontario in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to Saint George

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Saint George according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Saint George (ONT to SGU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Saint George

Best Price Found	$390
Fastest flight time	4h 00m
Direct flights	None

The best one-way flight to Saint George from Ontario in the past 72 hours is $390. The best round-trip flight deal from Ontario to Saint George found on momondo in the last 72 hours is $428.

The fastest flight from Ontario to Saint George takes 4h 00m

There are no direct flights from Ontario to Saint George. There are no popular flight routes from Ontario to Saint George.

Search flight deals

Frequently asked questions about flying from Ontario to Saint George

How far is Ontario to Saint George by plane?
Saint George is 310.6 mi away from Ontario. By plane, this route typically takes 4h 00m.
When did momondo last update prices for flights from Ontario Airport to Saint George Airport?
Prices for flights from Ontario Airport to Saint George Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Saint George Airport?
There is 1 operator available for flights from Ontario Airport to Saint George Airport as of November 2026.
How old do you have to be to fly from Ontario Airport to Saint George Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Saint George Airport.
What documentation or ID do you need to fly to Saint George Airport?
The necessary travel and health documents for your Saint George Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Saint George?
momondo data reveals that the most frequently booked airline on the route from Ontario to Saint George is American Airlines, representing 100% of all bookings.

Best airlines flying from Ontario to Saint George

Compare and see reviews for airlines that fly from Ontario to Saint George with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $238	Free Cancellation	Rating 7.0 12,225 reviews		Search American Airlines flights

Springdale

Hurricane

Virgin

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Saint George?

It is quick and easy to find Ontario to Saint George flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint George that suits you.

Can I find flights from Ontario to Saint George with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint George from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Saint George?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint George from Ontario.

I’m not ready to book a flight from Ontario to Saint George right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Saint George flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Ontario to Saint George from $390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Saint George departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Ontario to Saint George

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How to get the cheapest flight ticket from Ontario to Saint George

What is the cheapest day to depart on your flight to Saint George?

What is the cheapest time of day to depart on your flight to Saint George?

What is the cheapest airline that flies from Ontario to Saint George?

What airlines fly to Saint George?

When to book flights from Ontario to Saint George

Cheap Ontario to Saint George (ONT to SGU) flight deals and tips

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Frequently asked questions about flying from Ontario to Saint George

Best airlines flying from Ontario to Saint George

Compare and see reviews for airlines that fly from Ontario to Saint George with momondo

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Why use momondo?

An easier way to manage your Saint George trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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List of cabin classes available on flights landing in Saint George. Availability may vary depending on flight origin and airline.

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